27 celebrities who made a difference -- and may make you cry (Photos)

Slideshow posted in Photos | Thursday, September 05, 2013

25 of 27: Denise Richards holds a dog at an animal shelter in Baldwin Park, California on March 22, 2010 while participating in the 'Pup My Ride' initiative for Best Friends Animal Society, in which volunteers help move dogs across the country to be adopted. ( Photo / Albert Michael / Startraksphoto.com)

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